<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>全局CSS</title>
    <link rel="stylesheet" href="ttps://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
</head>
<body>
<div class="container">
    <h1>新闻标题</h1>
    <h2>新闻标题</h2>
    <h3>新闻标题</h3>
    <h4>新闻标题
        <small>欢迎你的到来</small>
    </h4>
    <p class="lead">测试数据</p>
    <del>被删除元素</del></br>
    <mark>被加了背景</mark>
    <p class="text-left">文字居左</p>
    <p class="text-right">文字居右</p>
    <p class="text-center">文字居中</p>
    <ul class="list-unstyled">
        <li >新闻1</li>
        <li>新闻2</li>
        <li>新闻3</li>
    </ul>
    <div class="lead">
        文字高亮显示
    </div>
</div>
</body>
</html>